Mark Gelfand, MD
Internal Medicine · Brooklyn, NY
Mark Gelfand, MD is a internal medicine in Brooklyn, NY with about 40 yrs in practice.
- SpecialtyInternal Medicine
- Medical schoolOTHER (1986)
- TelehealthOffers telehealth visits
- Medicare assignmentAccepts assignment (Medicare-approved amount as full payment)
- Medicare activity~556 patients across 28,502 services, avg age 78
Common services
| Service | Medicare services | Medicare allows | |
|---|---|---|---|
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | 1,324 | $100 | See prices → |
| Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | 1,160 | $8 | See prices → |
| Ferritin (blood protein) level | 1,043 | $13 | See prices → |
| Blood test, comprehensive group of blood chemicals | 1,039 | $10 | See prices → |
| Iron level | 1,037 | $6 | See prices → |
| Magnesium level | 1,037 | $7 | See prices → |
| Amylase (enzyme) level | 1,032 | $6 | See prices → |
| Uric acid level, blood | 1,032 | $4 | See prices → |
| Phosphate level | 1,026 | $5 | See prices → |
| Creatine kinase (cardiac enzyme) level, total | 1,024 | $6 | See prices → |
| Glutamyltransferase (liver enzyme) level | 1,024 | $7 | See prices → |
| Hemoglobin a1c level | 1,005 | $10 | See prices → |
Hospital affiliations
Source: CMS Medicare Physician & Other Practitioners and the Doctors & Clinicians National Downloadable File (most recent release). Counts reflect Original Medicare activity only and are not a measure of quality. “Medicare allows” is the Medicare fee schedule amount — not what an insured or cash patient pays; for patient prices see the linked procedure pages. Always confirm a clinician’s current details with their office.